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Mathematics 8 Online
OpenStudy (anonymous):

I will give a medal and fan! Calculate the area of the polygon

OpenStudy (jeansweets):

which one

OpenStudy (anonymous):

Polygon ABCD has the following vertices: A(−3, 3), B(5, 5), C(5, −4), and D(−3, −4) Calculate the area of the polygon. 52 units squared 56 units squared 64 units squared 72 units squared

OpenStudy (anonymous):

@phi @freckles @Directrix

OpenStudy (mariakershaw):

hai

OpenStudy (anonymous):

hai

OpenStudy (mariakershaw):

the answer is C @MinecraftNoob

OpenStudy (mariakershaw):

i think

OpenStudy (anonymous):

ok, thank you @mariakershaw

OpenStudy (mariakershaw):

welcome love^_^

OpenStudy (phi):

Did you plot the points ?

OpenStudy (anonymous):

yes

OpenStudy (phi):

It should look like this

OpenStudy (phi):

there are two ways to do this (at least) 1) what kind of figure is that ? answer: trapezoid. use the formula for a trapezoid 2) divide the figure into 2 easier figures, say a triangle for the top, and a rectangle for the bottom, and figure out the area of both then add them up

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